story live at the pentagon for us this evening. jennifer, the fbi interviews the mistress for what i'm told is the second time earlier this month. and determined nobody committed any crimes here. >> right, but there are still some questions, shep, especially about why paula broadwell mentioned at that october 26th speech that she gave in denver, colorado, in which she told the audience that one of the motivations of the benghazi attacks may have been that the cia was holding libya militia men prisoner. the question did she learn that from general petraeus, because sources confirmed to fox that the report may be true. the prisoners are being looked at as a motivating factor for those attackers at the consulate and annex. >> shepard: jennifer, jen petraeus is also now talking about some emails sent anonymously said to be by his mistress to another woman. >> well, this is what really started this whole investigation by the fbi. there were emails, anonymous emails that were sent. they were harassing emails to a friend of the petraeus family, jill kelly. she has been -- she and her husban